Controlled release formulations and methods for their production and use
US6858634B2 · kind B2 · utility
52Cited by
35References
61Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2001 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Feb 20, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N55/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Controlled release formulations for pesticides and herbicides contain an active ingredient, a matrix polymer and a matrix polymer plasticizer which is present in an amount sufficient to provide a release rate for the active ingredient from the formulation that matches a selected release rate. Methods for making and using the formulation, and seeds and plants that have been treated with the formulations are also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.